CN86210342U

CN86210342U - Mini platform piano

Info

Publication number: CN86210342U
Application number: CN 86210342
Authority: CN
Inventors: 高明仁
Original assignee: Individual
Current assignee: Individual
Priority date: 1986-12-13
Filing date: 1986-12-13
Publication date: 1987-12-16

Abstract

The utility model provides a mini platform piano, which alters the original approximate semi-circle shape into a triangle. The wooden frame of the sound board is accordingly altered to a triangle. The line type keyboard is changed to linear type. The other members are accordingly scaled down. The utility model has the advantages of shapely configuration, small size, light weight, simple processing technology and low cost, with extensive use in family, nursery, primary and secondary school.

Description

Mini platform piano

The utility model relates to a kind of keyboard instrument, is a kind of Mini platform piano.

Piano, this ancient western musical instrument, plain is symbol with graceful, luxurious, civilization, is liked by people.But particularly the Acoustic Grand volume is big owing to piano, and complex structure is manufactured difficulty, costs an arm and a leg, and uses so it is only limited to music culture professional body, and is not easy to popularize.

The purpose of this utility model provides a kind of Mini platform piano that can reach good music effect again simple in structure.It is the post-directed training music talent's popular piano, and is cheap, is convenient to popularize.

The utility model is achieved in that the triangle that the reinforcing bar of original platform piano is changed into Fig. 4 by former approximate half-circular.The soundboard wooden timbering also correspondingly changes triangle into.The most of parts of the keyboard mechanism of piano change into plastic material to be made.The Chui bar of keyboard parts part is still used wooden.Change into key of former piano shaped form linear.Former key length is mostly more than 400mm.And key length of the present utility model is at 330～360mm.The parts of other parts are all correspondingly scaled, thereby dwindled the volume of piano.Its physical dimension is less than 1.1 meters * 1.25 meters.Step on a conciliation bolt is installed on the lobe bar, and with the ground neonychium.Music rack changes folding metal framework into.Key is 72.The utility model is compared with general desk-top piano, and except that above-mentioned improvement was arranged, the gear train and the piano of its sound equipment principle and keyboard portion were basic identical, all has string row, soundboard, soundboard wooden timbering, keyboard, steps on parts such as lobe, shell.

It is little to the utlity model has volume, in light weight, and technology is simple, and cost is low, is 1/2nd of general upright piano, and tone color, volume and touching sensation can reach the standard of piano, are easy to popularize.

Describe concrete structure of the present utility model in detail below in conjunction with accompanying drawing and most preferred embodiment.

Fig. 1 is the planimetric map of small-sized Acoustic Grand.

Fig. 2 is the axonometric drawing of small-sized Acoustic Grand shell.

Fig. 3 is the sectional view of small-sized Acoustic Grand keyboard portion.

Fig. 4 is the axonometric drawing of small-sized Acoustic Grand reinforcing bar.

Fig. 5 is the folding music rack user mode figure of small-sized Acoustic Grand.

Fig. 6 is the folded state diagram of folding music rack.

Fig. 7 is the collapsed state figure of folding music rack.

Fig. 8 is a partial view of stepping on lobe mechanism.

Fig. 9 is that Fig. 8 is along A-A line view.

Transmission mechanism and the piano of sound equipment principle of the present utility model and keyboard portion are basic identical, all have string row, soundboard, soundboard timbering, keyboard, step on lobe, shell etc. Its manufacturing process, assembly relation all do not have change.

Manufacture earlier subtriangular soundboard timbering 8, then stall bars 2 are bonded on the soundboard 29, soundboard 29 usefulness glue are fixed on the soundboard timbering 8, bridge 4 is bonded on the soundboard 29, again qin base plate 30 and qin shell 7 are fixed on the soundboard timbering 8.

String shaft 31 is screwed on reinforcing bar 3, again reinforcing bar 3 is fixed on soundboard wood and props up On the frame 8, and good and sound string, the keyboard that installs is put into shell, first-class qin lid 9.

Reinforcing bar 3 shapes of present embodiment change triangle into by the semicircular shape of former general Acoustic Grand.Its soundboard wooden timbering 8 also correspondingly changes triangle into reinforcing bar 3 shapes, and correspondingly reduces the size of reinforcing bar 3 and soundboard wooden timbering 8.

Contracting among its keyboard mechanism such as Fig. 3 transfer 10, down lever upper bracket 11, step on lobe drive link 12, down lever 13, forte board mount 14, lever dolly 15, mallet handle support 17, push rod 18, cam 19, linkage lever 21, linkage lever support 22, damper 24 etc. are plastics and make down.Key 1 of the present utility model changes linear pattern into by original shaped form.Between linear pattern key 1 long 330～360mm, other parts are all correspondingly scaled with key 1.The physical dimension of qin is less than 1.1 meters * 1.25 meters, and key of Mini platform piano is 72.

It is stepped on lobe mechanism 6 and increases to have and reconcile bolt 27, and ground is provided with neonychium 28.Its music rack 20 changes folding metal framework into.Fig. 5,6, the 7th, the music rack of Mini platform piano.Fig. 5 is the user mode of music rack, and Fig. 6 is the music rack folded state, and Fig. 7 is the music rack collapsed state.

Claims

1, a kind of Mini platform piano, by string row, soundboard, soundboard wooden timbering, keyboard, step on lobe, shell is formed, the reinforcing bar 3 that it is characterized in that piano changes triangle into by original approximate half-circular, soundboard wooden timbering 8 also changes triangle into, key 1 changes linear pattern into by shaped form, between key 1 long 330～360mm, Acoustic Grand physical dimension is less than 1.1 meters * 1.25 meters, and music rack 20 is folding metal frame.

2, Mini platform piano according to claim 1 is characterized in that it steps on lobe mechanism 6 and be provided with and reconcile bolt 27, and ground is provided with neonychium 28.